add missing form child in getFormDefaultData() + sort methods

try to resolve 2 last unit tests errors on ci (no errors in local)

src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityUsersJobAggregator.php

@@ -80,6 +80,7 @@ class ActivityUsersJobAggregator implements AggregatorInterface
         ]);
 
     }
+
     public function getFormDefaultData(): array
     {
         return ['job_at' => new RollingDate(RollingDate::T_TODAY)];

src/Bundle/ChillActivityBundle/Export/Aggregator/ActivityUsersScopeAggregator.php

@@ -79,6 +79,7 @@ class ActivityUsersScopeAggregator implements AggregatorInterface
             'required' => true,
         ]);
     }
+
     public function getFormDefaultData(): array
     {
         return ['scope_at' => new RollingDate(RollingDate::T_TODAY)];

src/Bundle/ChillActivityBundle/Export/Aggregator/CreatorScopeAggregator.php

@@ -79,6 +79,7 @@ class CreatorScopeAggregator implements AggregatorInterface
             'required' => true,
         ]);
     }
+
     public function getFormDefaultData(): array
     {
         return ['scope_at' => new RollingDate(RollingDate::T_TODAY)];